/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.netbeans.modules.j2ee.metadata.model.api.support.annotation.parser;

import javax.lang.model.element.AnnotationValue;
import org.netbeans.modules.j2ee.metadata.model.api.support.annotation.*;

/**
 * Provides a value for an <code>AnnotationValue</code> or a default value.
 *
 * @author Andrei Badea
 */
public interface ValueProvider extends DefaultProvider {

    /**
     * @return a value; if null is returned the called may also call
     *         {@link #getDefaultValue}.
     */
    Object getValue(AnnotationValue elementValue);
}
